/Engine/Source/Runtime/InteractiveToolsFramework/Public/ToolDataVisualizer.h
Frame initialization/cleanupThis must be called every frame to allow Visualizer to extract necessary rendering data/objects
void BeginFrame ( [IToolsContextRenderAPI](API\Runtime\InteractiveToolsFramework\IToolsContextRenderAPI) * RenderAPI, const [FViewCameraState](API\Runtime\InteractiveToolsFramework\FViewCameraState) & CameraState )